CN1286808A

CN1286808A - Method and apparatus for manufacturing a plurality of thermocouples and thermoelectric converters therefrom

Info

Publication number: CN1286808A
Application number: CN98813874.3A
Authority: CN
Inventors: 爱德华·塞拉斯; 尼古拉斯·塞拉斯
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-03-10
Filing date: 1998-03-10
Publication date: 2001-03-07
Also published as: OA11486A; EP1062701A1; WO1999046823A1

Abstract

The thermoelectric converter according to the invention is formed by alternately placing transverse wire sections (12, 14) made of two different electrically conductive materials and connecting longitudinal wires (16, 18) at their ends, wherein the connection is formed by placing two longitudinal wires at the ends of the transverse wire sections (12, 14), welding the longitudinal wires to the ends of the transverse wire sections, and cutting the longitudinal wires (16, 18). The invention simplifies the manufacture of a converter formed by connecting a plurality of thermocouples in series.

Description

The manufacturing method and apparatus of a plurality of thermocouples and the thermoelectric converter that gets therefrom

What the present invention relates to is the manufacturing method and apparatus of a plurality of thermocouples, and the thermoelectric converter and the application thereof that obtain by implementing this method.

The thermoelectric converter that proposes already to use the thermocouple serial connection to form to be produced by the temperature difference between thermal source and the low-temperature receiver by the SEEBECK effect.All hot junction nodes of thermocouple are placed near the thermal source, for example flame, combustion furnace etc., the node of all cold junctions is placed near the low-temperature receiver, for example atmosphere, water etc., can produce weak relatively electrical power, yet then can supply with the electricity instrument electricity consumption of a little power consumption, particularly a transistor radio receiver.

Yet at a low price such transducer of making has some problems and does not solve, particularly the manufacturing of thermocouple be connected and the thermojunction of thermocouple and the thermal insulation between cold junction aspect problem is all arranged.

One object of the present invention is simple, an effective and cheap scheme proposing to address these problems.

For this reason, the present invention proposes a kind of manufacture method of a plurality of thermocouples of serial connection, be characterised in that this method is the silk section of laterally alternately placing two kinds of electric conducting materials on a base substantially parallel, each a certain section all is between two sections of another kind of electric conducting material in two kinds of materials, and at two electric conducting material silks of the vertical placement in the termination of these conductor silk sections, these two vertically silk is vertical with every silk section, and with these two vertical each termination welding with each conductive filament section, again the part of this every vertical silk between two transverse sections clipped and kept that part between in these two transverse sections one and back one, cutting off between a silk section and another silk section of these two vertical silks staggered mutually, so that aforesaid in succession transverse wire section at one end is to connect between them, then be to be connected with another silk section at the other end.

The a plurality of thermocouples that use simple, reliable and cheap method to obtain being connected in series like this.

According to another feature of the present invention, this method is also that the silk section in each transverse section and like this welding constituted loads onto a band that thermoelectricity is all insulated on the whole, and on the core making around a material that thermoelectricity is all insulated of the integral body that these sections and insulating tape are constituted.

This band preferably has an attachment surface, is positioned on aforesaid ordinate and the silk section.

The present invention also proposes a kind of device of realizing this method, it is characterized in that the conveyer belt that wherein has can drag between following apparatus: device, welder, the device of the vertical silk of disconnection and the device of settling insulating tape of cutting off and place aforesaid silk section and vertical silk.Horizontal ditch or groove are arranged on the removable conveyer belt, be used for admitting the silk section addressed and to the location.

Welder preferably has the electrode type of two rotations, and the termination of vertical silk and corresponding silk section accordingly is directed between these two electrodes.

This just can will indulge wire bond automatically and be connected on each termination of transverse section in advancing.

The present invention also proposes a kind of thermoelectric converter that obtains by implementing aforesaid method, it is characterized in that all covering one deck insulating material and a Heat Conduction Material dish as resistant to elevated temperatures binder by the aforesaid cylindrical termination that is rolled on core.

One of cylindrical like this two terminations corresponding to low-temperature receiver, is connected with heat abstractor.

This thermoelectric converter can be contained on a heating or the lighting device, for example particularly be contained on the kerosene lamp, be used for the transistor radio receiver is powered.

Read the description of back and will clearlyer get a thorough understanding of the present invention, further see feature of the present invention, details and superiority.The description of back provides as example, and the following accompanying drawing of reference:

Some steps of-Fig. 1 and the schematically illustrated manufacturing method according to the invention of Fig. 2;

-Fig. 3 is the part schematic diagram according to manufacturing installation of the present invention;

-Fig. 4 schematically draws according to welder of the present invention;

-Fig. 5 schematically draws the kerosene lamp that is equipped with according to transducer of the present invention.

At first, wherein depict the key step of the method according to this invention with reference to figure 1 and Fig. 2.

According to the method, on support plate 10, put

conductive filament section

12,14, these

sections

12,14 have identical length, with respect to support plate (10) vertically is laterally to place, fitly be arranged in a row,

silk section

12 and 14 is to make with two kinds of different materials, normally is used for making the material (for example nickel-chromium alloy and nickel-copper alloy) of thermocouple, alternately places in aforesaid row.

Place two

vertical silks

16 and 18 making with electric conducting material at the two ends of

conductive filament section

12 and 14, these vertical silks for example can be copper wires, perhaps being more preferably wherein one is to make with a material of making silk section 12, and wherein another is to make with a material of making silk section 14.

Then

silk

16 and 18 is welded on the termination of

silk section

12 and 14, shown in 20, to form a ladder, its beam is to be made of

silk section

12 and 14, and its mullion then is a

silk

16 and 18.

Then as shown in Figure 2,

silk

16 and 18 is cut off, in other words, between two

adjacent silk sections

12 and 14, cut off silk 16, link to each other with 14 with its aforesaid silk section 12 with 14 and stay these two silk sections 12, as a little repetitions,

threads

16 and 18 cut off the part intersegmental step-length that staggers from a silk section to another silk, so that being connected between the

silk section

12 and 14 is to be a length by silk 18 at its end, and be to link to each other with 14 with length of silk 16 and other silk sections 12 at the other end.

This method can simply and fast be made a plurality of thermocouples that serial connection forms, and cost is relatively little.

Fig. 3 is schematically illustrated according to manufacturing installation of the present invention.

In this device aforesaid support plate 10 is arranged, it is a band that does not have the termination, be installed in rolling on 22 of termination, wherein have at least one to roll driving, so that this band is advanced by the direction of arrow indication, on be with 10, cut off and lay silk section 12, two devices 24 of 14 are in

silk section

12,14 termination traction and the self-indulgent silk 16 of cloth, 18 device 26, a bonding machine 28, one as described in Figure 2 in silk section 12, cut off silk 16 for 14,18 device 30, a silk 16 of cutting off certain-length, 18 devices 32 that have the integral body of the thermocouple that ascertains the number with formation, one is placed on these devices 34 on the whole with what soft electric heating all insulated with 36, and one lay material cores that electric heating is all insulated and with 36 and silk section device 38 on these cores all.

Quite convenient, many shallow translots or ditch are arranged in the support plate 10, its spacing equates that to admit conduction

transverse section

12,14 and to locate for it, the width of band is less than the length of

silk

12,14.

In a kind of desirable execution mode of the present invention, transverse section all is some flat bars, its length is 5mm, and width 2mm, thickness are 0.1mm, one with another between separate about 2mm, be placed on and be preferably with 36 that ceramic fibre makes on the

silk section

12,14,16,18, its thickness is 0.8mm, and an attachment surface (in the view of Fig. 3 for below) is wherein arranged, in this way attached to thermocouple on the whole, so that this whole one-tenth is shown in Figure 2 with this band.

This insulating tape is fixed on the feasible on the whole operation to thermocouple of thermocouple not to go wrong.

In addition, when with supporting hot galvanic couple integral body with 36 around insulating material core (preferably pottery) when going up, the attachment surface with 36 is can enough stickups fixed with other circles with some circles.

Best, the welder that

silk

16,18 is welded on

silk section

12,14 terminations is a type shown in Figure 4, wherein two rotating disks 40 are all arranged for every

silk

16,18, the termination of

corresponding silk

16,18 and

corresponding silk section

12,14 is passed between two dishes, the periphery of dish 40 constitutes or has electrode, act on the termination of

corresponding silk

16,18 and

silk section

12,14, this just is welded on

silk

16,18 on the termination of

silk section

12,14.

At the available cylinder that is rolled into of output place of manufacturing installation shown in Figure 3, the thermocouple of 400 to 500 serial connections of wherein can having an appointment.

Can be coated with one deck heat-resistant adhesive in this cylindrical axial termination, put an electric insulation then and the sheet of heat conduction for example passes through the sheet metal of anode treatment.

So just obtain a thermoelectric converter, the

silk

16,18 of the termination of this thermoelectric converter by being in thermocouple integral body can be connected in the circuit.

A termination of this transducer is to be used for placing near the thermal source, for example near the combustion furnace, and its other end is to be used for placing near the low-temperature receiver, for example can ventilate, or be connected with heat radiator, the electric energy that is generated at these transducer two ends is relevant with the temperature difference between these transducer two ends.

As shown in Figure 5, this transducer 42 can be placed on traditional kerosene lamp 44 the insides, above the wick, make when using lamp, the lower end of transducer is at the part place of heat of flame.

As schematically illustrated, the top of rolling up the ceramic core that thermocouple integral body is arranged around can inciting somebody to action with fringing is by inlaying on the pipe 46 that is connected Heat Conduction Material, and a radiator 48 is stamped in the upper end of pipe 46.Radiator 48 is to be placed in the side handle of lamp and to be used for upward between the ring 50 of pendant lamp.

When using kerosene lamp, the following temperature of bearing 500 ℃ approximately of transducer 42, and meanwhile, because the effect of pipe 46 and radiator 48, the temperature of its upper end remains between 80 ℃ to 100 ℃ approximately.

When transducer has 400 to 500 thermocouples, about 8 to 9 volts of the voltage that under frequent situation, just can generate, this supplies with the electricity consumption of a transistor radio receiver is no problem.

According to transducer of the present invention also can with use of other thermal source, its practical application is very many, and is diversified.

Claims

1. A method for manufacturing a plurality of thermocouples formed by connecting thermocouples in series, is characterized in that: horizontal wire segments (12, 14) made of two kinds of conductive materials are substantially parallel and alternately placed on a support plate 10, In the arrangement formed by these horizontal wire segments, each wire segment (12, 14) of one of the two conductive materials is between two wire segments of another conductive material; The longitudinal wires (16, 18) are placed at the ends of the aforementioned horizontal wire segments, and the two longitudinal wires are perpendicular to the mentioned horizontal wire segments; the two longitudinal wires (16, 18) are welded to the ends of each horizontal wire segment ; For each longitudinal thread (16, 18), cut off its part between two transverse thread sections (12, 14), and keep it between one of these two transverse thread sections and the next thread section The part between the two longitudinal wires (16, 18) is staggered from the other where the cuts are made so that two consecutive wire segments (12, 14) are connected at one end, and between them The other end of the wire is connected with other horizontal wire segments.

2. According to the method for claim 1, it is also characterized in that: a strip (36) made of a material that is electrically insulated is placed on the whole of the welded transverse wire section and longitudinal wire; and this strip (36) And horizontal wire segment (12,14) and vertical wire (16,18) all are wound on the core that all insulating material to electric heat is made.

3. A method according to claim 2, characterized in that there is an attachment surface in the insulating tape (36) attached to the aforementioned transverse wire segments (12, 14) and longitudinal wires (16, 18).

4. A device for realizing the method of any one of the preceding claims, characterized in that the device (24) for cutting and placing the transverse wire segments (12, 14) guides and places the longitudinal wires (16, 18) ) between the device (26), the welding device (28), the cutting device (30) of the longitudinal wire and the device (34) for placing the insulating tape (36), there is a drag conveyor belt (10), the conveyor belt (10) There are transverse grooves or grooves for receiving the aforementioned horizontal wire segments (12, 14) and positioning them.

5. The device according to claim 4, characterized in that said welding device (28) is of the type with two rotating electrodes (40), and each longitudinal wire (16, 18) and each horizontal wire section (12, 14) Both ends lead between these two electrodes.

6. A thermoelectric converter obtained by carrying out the method described in any one of claims 1 to 3, characterized in that there are alternately placed transverse wire segments (12, 14) made of two different conductive materials, The ends of these weft segments are connected by warp wires (16, 18), and the warp wires (16, 18) and weft segments (12, 14) are made of the same material.

7. According to the converter according to claim 6, it is characterized in that the two ends of the cylinder rolled into the insulating tape (36) and the horizontal wire segments (12, 14) and the longitudinal wire segments (16, 18) are covered with a layer such as high temperature glue. Insulating material like that and a disc of thermally conductive material.

8. 7. A converter according to claim 7, characterized in that one of its two terminals corresponds to the heat sink, which terminal is connected to a heat removal device (46, 48).

9. 8. A converter according to claim 7 or 8, characterized in that it is mounted on a heating or lighting device, such as a kerosene lamp (44), for powering a transistor radio receiver.